CHP AT-6500 Manuale utente

Full-auto shut off brushed electric screwdrivers

Instruction Manual

Applicable Models: AT-6000, AT-6500, AT-6800

■ Thank you for purchasing the CHP electric screwdriver. In order to ensure maximum

performance and product life, please read this manual before operating your screwdriver.

-Table of contents-

General Safety Warnings .................................................................................................................

Care/Maintenance……………………………………………………………………………………………

Read Before use …….........................................................................................................................

Declaration of Conformity (CE) …………………………………………………………………………..

Product information .........................................................................................................................

Operation .........................................................................................................................................

Troubleshooting ………………………………………………………………………............................

After use …………………………………………………………………………………………………….

1.General Safety Warnings

WARNING: Read all safety warnings and all instructions. Failure to follow the warnings and

instructions may result in electric shock, fire and/or serious injury. Keep this manual readily

accessible for reference.

■Working area safety

- Keep working area clean and well lit.

- Do not operate power tools in the presence of flammable liquids, gases or dust.

- Keep the power tool away from children.

■Electrical safety

To avoid risk of electric shock:

-Never modify the plug in any way.

-Do not expose the power tool to wet conditions.

-Do not pull or damage the power cord.

-Use suitable extension cord when operating outdoor.

-Use a residual current device (RCD) when operating in a damp location.

■Personal safety

To avoid injury during operation:

- Do not use the power tool when under influence of drugs, alcohol or medication.

- Ensure that the switch is in OFF/Neutral position before connecting the power source.

- Keep proper footing and balance at all time.

- Do not wear loose clothing or jewelry. Keep hair, clothing and gloves away from moving parts.

2.Care/Maintenance

Use the appropriate power tool for the application. Do not force the power tool.

- Do not use the power tool if the switch is malfunctioning.

- Disconnect the power source before making adjustments, changing accessories or storing the tool.

- Keep the tool away from children or untrained personnel.

- Periodically check for any misalignment or binding of moving parts, breakage of parts and any other

condition that may affect the operation.

- Keep the screw bits clean before and after use.

- Only use compatible power supplies and accessories.

3.Read Before Use

-Use the correct voltage: Carefully check the voltage shown on the power supply and this manual. Only plug

the unit into a power source of the correct voltage.

-Determine the appropriate torque range: choose the correct screwdriver for the appropriate torque. Avoid

long-term usage under high torque setting to extend the product life. (The recommended torque value is

between scales 1-8 on the engraving ring.)

-Check the driver condition: If the power cord is damaged, it should be immediately unplugged and replaced

to avoid electric shocks or short circuit.

-Ensure proper working environment: do not use in high temperature, high humidity environments or near

flammable materials.

-When plugging in or unplugging the power cord, hold the plug firmly. Never pull on the cord.

-Hold power tool by its insulated gripping surface.

- Make sure the work piece isn’t conducting any form of electricity before operation.

4.Declaration of Conformity (CE)

We, American Hakko Products, Inc., hereby declare that the products described in this manual (Electric

Screwdriver) are in conformity with the following Directive(s)/Standardization document(s):

Machinery Directive 2006/42/EC

EMC Directive 2014/30/EU

5.Product Information

■Outline

■Accessories

- Electric screwdriver - Connecting cable - Replacement carbon brush (2)

- Power supply - Torque cover - Bits(2)

- Power cord - Instruction manual

- RPM adjustment tool - Terminal connectors (2)

■Specifications

Model AT-6000 AT-6500 AT-6800

Power source 30VDC

Torque range

Kgf-cm/lbf-in 1.5~12.0 / 1.30~10.4 4.0~20.0 / 3.5~17.4 5.0~25.0 / 4.3~21.7

No load speed / rpm 650~1150 550~850 450~700

Torque setting Stepless

Available

Machine

screw

mm / in 2.0~3.0 / 0.08~0.12 2.6~4.0 / 0.10~0.16 3.0~5.0 / 0.12~0.20

Tapping

screw

mm / in 2.0~2.6 / 0.08~0.10 2.3~3.5 / 0.09~0.14 2.6~4.0 / 0.10~0.16

Weight g/lb 490g / 1.1lb

Length mm/in 228mm/9.0in

Available bit shank 1/4" Hex shank

Power consumption 75W

Available power

supply APM-301C、AM-85

Clutch impact one time (when torque reached)

EGG SHAPED

■Power supply

6.Operation

-Connect the power cord to the driver as shown below, twist the knob on the power cord to secure it onto

the driver. Do not force the connection as this can cause damage to the driver and power cord.

-To avoid accident and injury, check driver’s torque setting, and make sure that the work piece is fixed

firmly before operating.

-Change torque settings: Use the regulating handle to set the torque. Turning it clockwise into the casing will

increase the torque. Turning it counterclockwise out of the casing will decrease the torque.

Note: The engraved markings on the engraving ring are for reference only and does not indicate

actual torque output. Torque output can only be determined by repeated testing with a torque meter.

To prevent your torque setting from being tempered, optional torque cover is available which covers

and secures the regulating handle.

Model Volume (mm) Load

Voltage

(AC)

Output

Voltage

(DC)

Weight

(g) Safety Approved Feature

Length Width Height

APM-301C 172 84 46 100-240V 20-30V 380 CB,CE,UL(CUL),

ROHS,REACH

Adjustable

stepless output

voltage

Available Input

Voltage 110-

240VAC

Automatic device

application

AM-85 172 84 61 100-240V 20-30V 450

CB,CE,UL(CUL),

ROHS,REACH

Screw fastening

check

Screw counting

Illustration of torque setting

-Bit insertion: press the slide sleeve into the screwdriver and insert an appropriate bit. When the slide sleeve

is released, the bit will be automatically locked.

Illustration of insertion of bits

Fastening and removing screw:

To drive a screw, set the forward/reverse switch to the FWD position. To remove a screw, set the switch to the

REV position.

Note: Do not change the running direction during operation. Always switch the direction after the

screwdriver has completely stopped.

-Secure screwdriver during operation: During operation, hang the screwdriver securely (from balancer) in

order to prevent damage to driver and power cord.

-When the selected torque is reached: The driver features internal clutch assembly. When a screw is

fastened and the selected torque has been reached, the clutch assembly will automatically disengage and

a “click” sound will be heard. At this point, even if the “Forward” trigger is pressed, the power to the motor

will be automatically cut-off.

Note: When driving screws, grasp the driver firmly as recoils generated by the clutch can be

strong.

-When removing screws: If a previously driven screw cannot be removed using the same torque that it was

driven with, raise the torque setting. When turning the regulating handle, use the number of “click” sounds

as reference so that the torque setting can be changed back afterwards.

-Operation Frequency: Suggested duty cycle: 0.5s/3.5s (ON/OFF). Total screws: 7000pcs/8hours. To avoid

damage to the screwdriver and to prolong the product life, do not exceed the suggested operational

frequency.

-Overloading Operation: If the operator discovered the handle overheating or the revolutions plunging

rapidly while fastening, it means that the screwdriver is overloaded. Please change to a torque

screwdriver with higher power or reduce the frequency of fastening to prolong the lifespan of the

screwdriver.

-If the screwdriver has operated for a long period, or if excessive current surges are experienced, the

screwdriver may overheat. In this case it will switch off automatically. When the heat has dispersed,

normal operation can be resumed.

Figure 1 Figure 2 Figure 3

Replace the Carbon Brush:

As illustrated below, insert a slotted hand screwdriver with 2~4mm head edge into the slot and open the carbon

brush cover. Lift the carbon brush fastener spring. Loosen and pull the carbon brush guide cord to remove the

carbon brush (Do not remove the insulation tape on the brush cover). Insert a new carbon brush and then follow

the above steps in reverse order.

7.Troubleshooting

If the screwdriver does not work properly, check the list below. If you cannot solve the problem do not open

the unit. Contact one of our authorized agents as soon as possible.

If the screwdriver does not run

-Check the power supply:

Check that the power supply is inserted properly and Check voltage (DC) between pin 1(-) and pin 4(+).

If there are no output voltage, replace the power supply.

NOTE: For 6 pin power supplies, connect pin 3 and pin 5 before measuring the output voltage.

Check for any open or short circuit in the power cord. If an open or short circuit is found, change the

power cord.

-Check whether the plug is inserted properly and the outlet has power.

-Check if the carbon brush is damaged or worn out.

Inspect method: open the carbon brush cover and use an insulated rod to gently press the brush. If the

screwdriver resumes rotating, the carbon brush has reached the end of its service life and must be replaced

immediately.

-Check that the switches are working properly.

If the screwdriver is not rotating normally

-There is a protective circuit within the power supply. Please wait 3 to 5 seconds after turning on the power

supply and the indicator light turns green.

-If the motor runs intermittently during “Forward” operation, try “Reverse” operation, or rotate the bit shaft

90 degrees until a “click” sound is heard, then re-attempt “Forward” operation.

-Long-term usage causes the motor’s commutator to wear down. In this case, it must be replaced. (Please

contact our customer service)

․Unplug the driver before changing the carbon brush.

Only use factory specified carbon brush.

․The notch direction on the carbon brush surface

must follow the illustration.

If the bit falls out easily or wobbles

- Check that the bit matches our specifications. If not, change the bit to one that does.

- Check that the bit is inserted tightly into two guide channels within the bit shaft. If not, remove the bit and

re-insert it tightly.

- If the bit tends to wobble, remove the bit, rotate it 60 or 180 degrees and re-insert it.

If the screwdriver doesn’t stop when the selected torque is reached

-Excessive torque setting can cause the screw to strip threads, as a result the clutch will not activate.

-Make sure the correct size bit is chosen for the application.

-The brake circuit or the sensor may be damaged and needs repair. (Please contact our customer service)

8.After Use

-Storage and maintenance: when the unit is to be stored for a long period, remove the power supply and bit,

open the carbon brush cover and blow out any accumulated carbon brush dust with compressed air, and

wipe the exterior clean. Store the screwdriver carefully in a dry, dust-free place away from direct sunlight.

Store the bit in grease. To ensure continued serviceability, periodically check and maintain the screwdriver.

American Hakko Products, Inc.

28920 Avenue Williams

Valencia, CA 91355

1-(800)88-HAKKO(42556)

www.HakkoUSA.com

Rev 2017.11

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